# SDR CALA2013091091173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2013
- Submitted: September 11, 2013
- Operation: Air carrier
- Aircraft: N529UA
- Make and model: Boeing 757222
- Aircraft serial: 25019
- Aircraft time: 73,991 hours, 27,205 cycles
- Engine: Pwa PW2037
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Module
- Condition: Faulty
- Location: Autopilot Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013091091173

## Discrepancy

UPON DOING TESTS FOR CSEU FOUND LT STAB TRIM & ELEVATOR ASSEMBLY LIMIT MODULE (SAM) FAULT B ALL ON COMPUTER UNABLE TO CLEAR.  R&R LT SAM IAW AMM, ALL TESTED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.